If this is one of the old 600 model series from Japan, and it has a BDC option (dual horizontal crosshairs), the threads may be stripped on the plastic cap or sleeve that engages the elevation screw (common problem). The cap may also be cracked. You may have to be on the lookout (ebay, gunbroker, etc.) for a replacement cap. In the meantime, you can just remove the plastic cap and use a screwdriver to turn the metal screw on the scope body under that cap to adjust elevation. If this does not solve the problem, there is a scope repair shop that specializes in repairing vintage scopes (Ross, Ohio). This work would be beyond the "scope" of an amateur. Hope this helps. erik7x57

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Your scope should be "in the ball-park" out of the box. This ball park will of course be determined by the height of scope rings you put on your rifle. The taller the scope rings/bases the lower your initial shot... Go to a range or safe outdoor shooting area. Put a large target up at 100 yards, 16"x6" will usually do. Aim at the bulls eye, and click off a round. Use a spotting scope, binoc's or your scope to see where your shot has hit. If it is off the paper and no where to be seen, click off a shot one foot high, check paper, repeat one foot low, one left, one right until you find your shot on paper. Once you find your shot, you will need to adjust the windage (left to right) or elevation (up to down) by using the turrets on the scope. Part of the trick in sighting in your scope is to remember if your shot is high, then you need to crank the turrets in the "up" postion (if it shoots left, turn turrets to the left, and so on). This part is sort of counterintuitive, and may feel foreign. Once you get your scope on paper, continue to adjust until you are hitting consistently 1 inch above bulls at 100 yards. Shooters benches and rifle rests help in this process, but it can also be achieved without. I hope this helps. D

You may need to send the scope into Zeiss to have the turrets changed. The folks at RCS Optics Customer Service will help you out. Email them at customerservice@rcsoptics.com or contact them online at www.rcsoptics.com

Sight in your scope, Loosen the set screws and zero the dials the re-set the set screws. This will make it easy for you to adjust for distance and wind from the zero setting when in the field shooting. Then you can go back to your zero.

Try some PB Blaster. Wet a q tip and apply to the area at the base of the turret caps. Wait a few minutes and reapply. Then using a small pair of vice grips attempt to twist the turret covers off. A cotton cloth will help keep the gripping surfaces of the pliers from scratching too bad. Hope this helps.

Sight in rifle and put the on top turret with zero facing back.do not let knob"click".Aim at animal and adjust power(3-9etc)until body is bracketed by both crosshairs.Look in little window in eyepiece for type of animal.Click top turret to proper yardage(200,300etc).This allows for bullet drop.I've had one on a .270 for 30 yrs and never used this feature.

if the scope is out the best way to set it up is to clamp the rifle in a jig or hold it hard done on a sand bag,,,firs off the first shot at the bull and see were the shot hit the card,,,now without moving the rifle turn the scope turrets till the cross is over the bullet hole from the last shot,,,now again aim at the bull and shoot again,,,the shot should hit the bull,,if not reajust the scope as before,,,

No. The turret is what it is. If you want to re-set the turret to zero so that it is easy to return to for a specific distance, there should be a setscrew you can loosen, adjust the turret to zero, then re-tighten to lock it in place. If you are simply trying to lower the turret, you need to purchase a scope without target turrets.

after you sight the rifle in at say 100 yd. lift the turret and line up the 100 yard mark on the turret to the mark, then push the turret down onto the scope and set the screw. some times the turret takes a lot of pressure to push back on.